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S
P
ERVICE
ROCEDURES
N
:
If you remove the CPU from the motherboard to install it on a new motherboard,
OTE
unpack the new motherboard and remove the protective plastic cover from the CPU socket.
Transfer the protective cover to the CPU socket of the old motherboard to protect the
circuitry.
T
CPU
O INSTALL THE
1 Do one of the following:
• If you are installing a new CPU cooling assembly on an existing CPU, clean the contact
surface of the CPU to remove any old thermal compound residue. A thermal pad is
preinstalled on the underside of the new CPU cooling assembly.
Make sure that you remove all thermal compound residue from the surface of the CPU. It
may help to scrape all the residue off the surface using the flat edge of a non-conductive
tool. Then use a lint-free cloth moistened with alcohol to clean the surface.
• If you are installing the existing CPU and CPU cooling assembly on a new motherboard,
clean the contact surfaces of the CPU and cooling assembly as described above. Then
apply fresh thermal compound to the contact surface of the CPU using the applicator
provided with the new motherboard.
2 If needed, install the CPU mounting bracket on the underside of the motherboard (see
Figure 14
on page 36).
Push the four screw posts of the bracket into the four post poles in the motherboard.
3 Prepare the CPU socket by ensuring that:
• The socket lever is in the open position.
• The load plate is open.
37
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